メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.629950347164 34.6187839887617, 135.628474443493 34.6188028972402, 135.628327074068 34.6187992093075, 135.628380805235 34.6177603636144, 135.628430531508 34.6167022056021, 135.628564279619 34.6166935965267, 135.628928488798 34.6167094923594, 135.629555636285 34.6167947845271, 135.629667841082 34.6179379513637, 135.629748428224 34.6182086536731, 135.629950347164 34.6187839887617)) ^^http://www.opengis.net/ont/geosparql#wktLiteral